(1) A reference in this Division (other than in subsection (2)) to a previous representation is a reference to a previous representation that was made by a person who had personal knowledge of an asserted fact.
(2) A person has personal knowledge of the asserted fact if his or her knowledge of the fact was, or might reasonably be supposed to have been, based on something that the person saw, heard or otherwise perceived, other than a previous representation made by another person about the fact.
(3) For the purposes of section 66A, a person has personal knowledge of the asserted fact if it is a fact about the person's health, feelings, sensations, intention, knowledge or state of mind at the time the representation referred to in that section was made.